| A | B |
|---|
| abreast; adj. | Side-by-side |
| abreast; adv | Up-to-date |
| barrier; n. | Anything that stops progress or blocks the way |
| breadth; n. | The distance of something side to side; width;wide range; largeness |
| capital; n. | Wealth that can be used to produce more wealth; the city where the government of a state or country is located |
| capital; adj. | Punishable by death |
| ensure; v. | To make sure or certain |
| external; adj. | On or related to the outside |
| feud; n. | A long, bitter quarrel, especially one between two families |
| feuded; v. | To be enemies, to quarrel |
| fortress; n. | A building with strong walls made to be defended against attack; a fort |
| frequent; adj. | Happening often or over and over |
| frequent; v. | To go over and over |
| frequency; n. | Number of times something is repeated |
| frontier; n. | The line between two countries; the outer limits of the settled part of a country |
| frontiers; n. | The outer limits of knowledge |
| peasant; n. | A person who makes a living from working the soil, especially in poorer countries |
| petty; n. | Of little importance; small |
| threat; n. | A warning that one may do harm |
| threaten; v. | To make a threat |
| threatening; adj. | Suggesting harm or danger |
| utilize; v. | To put to use |
| vast; adj. | Very great in area or amount |
